RME Technical Subjects Test 7

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#1. A high school graduate can take the Registered Master Electricians Examination if he/she has subsequent specific record of at least _______ years of apprenticeship in electrical wiring, installations of electrical equipment.

a. 6

b. 3

c. 4

d. 5

#2. Terminals connected to a grounded conductor shall be identified in which of the following ways:

a. Identification shall be substantially white in color

b. Connection must use a terminal screw that is not readily removable and is green in color

c. Identification must include an engraved metal tag

d. None of the above

#3. The favorite newspaper lines which reads “was but due to faulty wiring” means:

a. defective wiring

b. wrong wiring

c. shorted wiring

d. protective device failure during fault

#4. A circuit breaker that can be closed against a fault and operate at once, although the solenoid mechanism may continue through its closing operation, is said to be

a. selective

b. trip-free

c. fully-rated

d. DC operated

#5. This is used as a vertical guide and support for groups of cable from their points of origin to the horizontal plane for easy tracing.

a. cable duct

b. cable tray

c. cable gutter

d. cable ladder

#6. A single-family dwelling has three bathrooms each with the following: a lighting fixture, a fan, and one receptacle outlet. In one of the bathrooms, the lighting fixture, fan, and receptacle outlet are installed on a dedicated 20 ampere circuit. For this dwelling, the minimum number of 20 ampere circuits required to serve the bathrooms is which of the following:

a. Two

b. Three

c. Four

d. Five

#7. What is the MINIMUM voltage rating for the grounded conductor in a solidly grounded neutral system of 1 kV or more?

A. 440 volts

B. 600 volts

C. 1,000 volts

D. Equal to the kV rating of the ungrounded conductors

#8. The ampacity of a conductor must be derated where the ambient temperature exceeds which of the following:

a. 30 degrees C

b. 32 degrees C

c. 26 degrees C

d. 20 degrees C

#9. Fuse in motor circuits provides

a. none of these

b. open-circuit protection

c. overcurrent protection

d. short circuit protection

#10. Lightning protection system ground terminals must be bonded to which of the following:

a. The building or structure

b. The building or structure grounding electrode systems

c. To a common grounding electrode conductor

d. A surge arrestor

#11. In switchgear the fr means that

a. the front and rear panels are hinged

b. an access door is at the end of the structure

c. no equipment is mounted on the front panel

d. energized parts are not exposed on the front panel

#12. The highest AC transmission line voltage in the Philippines as of June 2004.

a. 230 kV

b. 440 kV

c. 350 kV

d. 500 kV

#13. The normal operating temperatures of cartridge type fuse at its rating;

a. 100 deg. C

b. 75 deg. C

c. 50 deg. C

d. 25 deg. C

#14. This kind of fuse is so designed to cause the rapid escape of gas when its element blows as a result of high current.

a. Cartridge

b. cassette

c. expulsion

d. fast acting

#15. Coatings on which of the following shall be removed at threads, contact points, and contact surfaces or be connected by means of fittings so designed as to make such removal unnecessary in bonding other enclosures for grounding?

A. Copper

B. Zinc

C. Aluminum

D. Enamel

#16. A personnel protection device that de-energizes a circuit when the current to ground exceeds a predetermined value less than required to operate the supply circuit overcurrent protective device is called a ________

A. circuit breaker

B. fuse

C. ground-fault interrupter

D. limit switch

#17. The service disconnection means in a building shall not have more than how many switches or circuit breakers:

a. 6

b. 8

c. 10

d. 20

#18. If there are 7 current-carrying conductors in a raceway, then the individual ampacity of each conductor must be reduced by which of the following:

a. 70% because of the number of conductors

b. 30% because all conductors are current-carrying

c. 80% of the continuous load

d. 20% of the continuous load

#19. In ordering standard cartridge fuses it is necessary to specify only

a. the current capacity

b. the voltage of the circuit

c. the current capacity and the voltage of the circuit

d. the power to be dissipated

#20. If a motor overheats, it must be due to

a. misaligned

b. low voltage

c. loose

d. open-circuited field

#21. Open conductors that are not service entrance cables shall not be installed less than which of the following:

a. 3,100 mm from grade level

b. 2,900 mm below grade level

c. 2,500 mm below grade level

d. 1,300 mm from grade level

#22. Which of the following contact point metals has the highest melting point?

a. silver

b. tungsten

c. gold

d. Copper

#23. The allowable fill of electrical conduits.

a. 40%

b. 50%

c. 60%

d. 30%

#24. An all-electric home has a laundry area located in a kitchen closet. What is the MINIMUM number of branch circuits serving this kitchen?

A. 2

B. 3

C. 4

D. 5

#25. The following wiring method is approved to be installed inside a duct used for vapor removal and ventilation of commercial type equipment:

a. EMT

b. Nonmetallic sheathed cable

c. Rigid steel conduit

d. None of the above

#26. Overcurrent in transformers affect all of the following EXCEPT.

a. breather effectiveness

b. life insulation

c. mechanical stresses

d. rise in temperature

#27. The work space for equipment must allow _______ opening of any equipment doors or hinged panels.

a. 90-degree

b. 60-degree

c. 180-degree

#28. The most valid objection for not fusing the middle wire of a 3- wire system either a grounded neutral is that

a. It will increase the replacement cost of the fuses

b. Shutdown will be increased due to the blowing of the neutral fuse

c. Blowing of the neutral fuse may unbalance the voltages on the two sides of the system with possible burnouts of some of the lamps

d. The size of the neutral wire must be made twice as large as the ungrounded line wires

#29. Voltage drop in a uniformly loaded distributor fed at one end is calculated by assuming the whole of the load concentrated at

a. middle point

b. feeding point

c. the far end of the feeding point

d. distance from the feeding point

#30. Which of the following is NOT an acceptable method of mounting electrical equipment to a masonry wall?

A. With bolts through the wall supported by metal plates on the back side

B. With lag bolts screwed into lead masonry anchors

C. With molly bolts through holes drilled entirely through the wall

D. With screws driven into wooden plugs in the wall

#31. If a transformer vault is not protected by an automatic sprinkler system, then it must have a minimum fire resistance and structural strength of which of the following periods of time:

a. 2 hours

b. 3 hours

c. 4 hours

d. 6 hours

#32. This is used as a vertical guide and support for groups of cable from their points of origin to the horizontal plane for easy tracing.

a. cable duct

b. cable tray

c. cable gutter

d. cable ladder

#33. The receptacle example listed below which may be connected to a small appliance branch circuit is which of the following:

a. Garage ceiling receptacle for an automatic garage door opener

b. Any receptacle which is within 3600 mm of the kitchen

c. An electric clock plugged in at the dining room

d. An electric hair dryer

#34. The effective grounding path to ground from circuits, equipment and metal equipment enclosures shall NOT ________

A. be permanent and continuous

B. have the capacity to conduct safely any fault currents to ground

C. have sufficiently low impedance to limit the voltage to ground

D. use the earth as the sole equipment-grounding conductor

#35. The neutral conductor in an electrical installation has which of the following qualities:

a. It carries the unbalanced current.

b. It is the white conductor.

c. It does not apply ampacity correction.

d. All of the above

#36. One of the two plug-fuses in a 120-volt circuit blows because of a short circuit. If a 120-volt lamp is screwed into the fuse socket while the circuit is still shorted, the lamp will

a. burn dimly

b. remain dark

c. burn out

d. burn normally

#37. This kind of fuse is so designed to cause the rapid escape of gas when its element blows as a result of high current.

a. Cartridge

b. cassette

c. expulsion

d. fast acting

#38. 62. If a 480-volt motor has a full-load current of 34 amperes, then the standard disconnecting means must be which of the following:

a. 66 amps

b. 50 amps

c. 39.1 amps

d. 40 amps

#39. Which of the following colors indicates an equipment grounding conductor in a flexible cord?

A. Gray

B. White

C. Green with a red stripe

D. Green with a yellow stripe

#40. The branch circuit breaker device shall protect all ________.

A. appliances

B. conductors and devices

C. branch circuit loads

D. fittings

#41. The total number of underground conductors for an outside lighting circuit on a single common neutral conductor is which of the following:

a. 6

b. 8

c. There is no limit specified

d. Underground conductors specified in this example are prohibited

#42. At least _____wall switch-controlled lighting outlet shall be installed in every habitable room and bathroom.

a. one

b. two

c. three

d. none

#43. When protected solely by enamel, which of the following shall not be installed in outdoor or wet locations:

a. Ferrous raceways

b. Fittings

c. Boxes

d. All of the above

#44. Electrical continuity at service equipment shall be assured by all of the following EXCEPT ________.

A. threaded metal couplings made up wrench tight

B. threadless metal couplings for rigid metal conduit using standard locknuts and bushings

C. threadless metal couplings for electrical metallic tubing using bonding locknuts and bushings

D. bonding of the service equipment to the grounded service conductor

#45. What shall be the minimum size of conductor for signage?

a. 2.0 sq. mm

b. 3.5 sq. mm

c. 5.5 sq. mm

d. 8.0 sq. mm

#46. Fuses must be clearly marked with which of the following:

a. Voltage rating

b. Ampere rating

c. Interruption rating, if other than 10,000 amperes

d. All of the above

#47. Concealed knob-and-tube wiring is not permitted in which of the following applications:

a. Commercial garages

b. Motion picture studios

c. Hazardous classified locations

d. All of the above

#48. Copper Clad Aluminum wire is different from Aluminum wire in that it

a. Has more insulation around the wire

b. The copper wire is coated with aluminum

c. Can only be used in livestock operations

d. Is rated the same as pure copper wire

#49. Plug fuses and fuse-holders shall NOT be used between conductors and the grounded neutral in circuits exceeding how many volts?

A. 100

B. 125

C. 150

D. 200

#50. The largest size regular plug fuse used is rated at

a. 15 amperes

b. 20 amperes

c. 30 amperes

d. 40 amperes

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RME Technical Subjects Test 7

Prepare for the RME ExamPractice Your Knowledge

Take the test now. The test is 50 items. Finish the test and see your result.Share your results.